test/jdk/com/sun/jdi/DeleteEventRequestsTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/**
 * @test
 * @bug 4331872
 * @summary erm.deleteEventRequests(erm.breakpointRequests()) throws exception
 * @author Robert Field
 *
 * @run build TestScaffold VMConnection TargetListener TargetAdapter
 * @run compile -g DeleteEventRequestsTest.java
 * @run driver DeleteEventRequestsTest
 */
import com.sun.jdi.*;
import com.sun.jdi.event.*;
import com.sun.jdi.request.*;

import java.util.*;

    /********** target program **********/

class DeleteEventRequestsTarg {
    public static void main(String[] args){
        System.out.println("Howdy!");
        System.out.println("Goodbye from DeleteEventRequestsTarg!");
    }
}

    /********** test program **********/

public class DeleteEventRequestsTest extends TestScaffold {
    ReferenceType targetClass;
    ThreadReference mainThread;

    DeleteEventRequestsTest (String args[]) {
        super(args);
    }

    public static void main(String[] args)      throws Exception {
        new DeleteEventRequestsTest(args).startTests();
    }

    /********** event handlers **********/

    public void stepCompleted(StepEvent event) {
        failure("Got StepEvent which was deleted");
    }

    /********** test core **********/

    protected void runTests() throws Exception {
        /*
         * Get to the top of main()
         * to determine targetClass and mainThread
         */
        BreakpointEvent bpe = startToMain("DeleteEventRequestsTarg");
        targetClass = bpe.location().declaringType();
        mainThread = bpe.thread();
        EventRequestManager erm = vm().eventRequestManager();

        /*
         * Set event requests
         */
        StepRequest request = erm.createStepRequest(mainThread,
                                                    StepRequest.STEP_LINE,
                                                    StepRequest.STEP_OVER);
        request.enable();

        /*
         * This should not die with ConcurrentModificationException
         */
        erm.deleteEventRequests(erm.stepRequests());

        /*
         * resume the target listening for events
         */
        listenUntilVMDisconnect();

        /*
         * deal with results of test
         * if anything has called failure("foo") testFailed will be true
         */
        if (!testFailed) {
            println("DeleteEventRequestsTest: passed");
        } else {
            throw new Exception("DeleteEventRequestsTest: failed");
        }
    }
}